e. He took the fire in his hand, and a knife: Abraham took the knife up the hill. He didn’t leave it behind or claim to forget it. “That knife was cutting into his own heart all the while, yet he took it. Unbelief would have left the knife at home, but genuine faith takes it.” (Spurgeon)
Abraham believed that God was going to do something here on this hill and he would come back with Issac.
